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The tracheoesophageal septum is formed from the tracheoesophageal folds or ridges which fuse in the midline. It divides the esophagus from the trachea. It divides the foregut tube into the laryngotracheal tube ventrally and esophagus dorsally.[2]

Tracheoesophageal septum
Precursortracheoesophageal folds[1]
Anatomical terminology

Developmental abnormalities can lead to a tracheoesophageal fistula.[3]


  1. ^ Respiratory System
  2. ^ Development of the Digestive System Archived 2007-11-23 at the Wayback Machine
  3. ^ "Esophageal Atresia and Tracheoesophageal Fistula - February 15, 1999 - American Academy of Family Physicians". Retrieved 2007-11-11.